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Finding the Fourth Proportional to 3,544.02, 5,316.03 and 1,983.15

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Solution

The fourth proportional to 3,544.02, 5,316.03 and 1,983.15 is: 2,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.02 : 5,316.03 = 1,983.15 : x
  2. Step 2: Convert to fraction form
    3,544.02/5,316.03 = 1,983.15/x
  3. Step 3: Cross multiply
    3,544.02x = 5,316.03 × 1,983.15
  4. Step 4: Simplify right side
    3,544.02x = 10,542,484.89
  5. Step 5: Solve for x
    x = 10,542,484.89/3,544.02
  6. Step 6: Final answer
    x = 2,974.73

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.